Beginners often fail not by misreading BTC, but by not knowing how the order will fill: wanted to wait but filled early, wanted instant buy but order rested, set TP/SL but unsure when it triggers.

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1. Fill is not instant after clicking

Order flow: submit → wait → match → fill. Order type decides price and condition.

2. Market Order

Priority is speed, not price. Matches best available order-book price.

3. Market advantage

Fast. Good for liquid markets and quick exit.

4. Market risk: slippage

Seen price 70,000, fill may be 70,005 / 70,010 / 70,020. Worst-price protection exists, but slippage still possible.

5. Limit Order

You set acceptable price. Fill immediately = Taker; rest in book = Maker.

6. Why Limit may not fill

Market may never reach your price.

7. Market vs Limit

Item	Market	Limit
Core	fill fast	price control
Speed	fast	maybe
Risk	slippage	no fill

8. Resting order

Limit not yet hit stays in book.

9. Resting orders use balance

Open orders, conditional orders and margin can reduce available balance.

10. Partial fill

Want 1 BTC, only 0.4 available → fill 0.4, rest waits.

11. Large orders need depth

Big market buy eats multiple ask levels; average price drifts.

12. Bid, Ask, Spread

Bid = buyer price, Ask = seller price, gap = spread.

13. Market condition matters

Calm market = tighter spread; volatile market = slippage and partial fills more likely.

14. Take Profit

Exit when preset price condition reached.

15. Stop Loss

Exit when original idea becomes invalid.

16. TP/SL not exact fill

Conditional order triggers first, then enters market.

17. Trigger ≠ Execution

Trigger Price starts order; Execution Price is real fill.

18. Conditional orders help discipline

Pre-set "if X then Y" instead of emotional decisions.

19. Open vs close orders

In futures check side, size, reduce-only, close position.

20. Futures extra risk

Leverage, margin, liquidation price, funding rate.

21. Liquidation is not Stop Loss

Stop loss should come before liquidation.

22. Avoid wrong order

• pair
• Spot/Futures
• Buy/Sell
• Long/Short
• Market/Limit
• price and size
• Stop Loss

23. Beginner practice

Small spot: see book → Limit → cancel → Market comparison.

24. Do not spam orders

Every order needs reason, fund limit, max size, cancel rule.

25. Fees and frequency

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Rebate usually returned after trade.

FAQ

Code: OKOFFICIALLY
Link: https://www.okx.com/join/OKOFFICIALLY

Order types

Item	Role
Market	fast fill
Limit	price control
Stop Loss	risk exit
Take Profit	profit exit
Trigger Price	start condition
Execution Price	actual fill

Risk notes

Summary

Good OKX use means knowing why/when/at what price an order fills. Learn Market → Limit → Stop Loss → Take Profit.

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